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Lsu packet, Lsack packet – H3C Technologies H3C SR8800 User Manual

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Figure 28 LSR packet format

Major fields:

LS type—Type of the LSA to be requested. Type 1 for example indicates the Router LSA.

Link State ID—Determined by LSA type.

Advertising Router—ID of the router that sent the LSA.

LSU packet

LSU (Link State Update) packets are used to send the requested LSAs to the peer. Each packet carries a

collection of LSAs.

Figure 29 LSU packet format

LSAck packet

Link State Acknowledgment (LSAck) packets are used to acknowledge received LSU packets. An LSAack

packet carries the headers of LSAs to be acknowledged.

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